Start implementing the allocator

allocator.c

@@ -0,0 +1,65 @@
+#include "allocator.h"
+#include "aliases.h"
+#include <stdbool.h>
+#include <stdlib.h>
+
+#define HEADER_MAGIC_01 76329872
+#define HEADER_MAGIC_02 120830238
+#define FOOTER_MAGIC_01 2783946
+#define FOOTER_MAGIC_02 878512284
+
+struct allocator {
+  u8 *buf;
+  u64 size;
+  u64 used;
+};
+
+struct block_boundary {
+  u64 size;
+  bool free;
+  u64 magic_01;
+  u64 magic_02;
+};
+
+typedef struct block_boundary block_header;
+typedef struct block_boundary block_footer;
+
+typedef struct {
+  block_header header;
+  u8 *data;
+  block_footer footer;
+} block_t;
+
+allocator_t *init_allocator(u64 size) {
+  allocator_t *allocator = (allocator_t *)malloc(sizeof(allocator_t));
+
+  if (!allocator) {
+    return NULL;
+  }
+
+  allocator->buf = (u8 *)malloc(size);
+
+  if (!(allocator->buf)) {
+    free(allocator);
+    return NULL;
+  }
+
+  allocator->size = size;
+  allocator->used = 0;
+
+  return allocator;
+}
+
+void deinit_allocator(allocator_t **allocator) {
+  if (*allocator != NULL) {
+    if ((*allocator)->buf != NULL) {
+      free((*allocator)->buf);
+      (*allocator)->buf = NULL;
+    }
+
+    free(*allocator);
+    *allocator = NULL;
+  }
+}
+
+void *alloc(allocator_t *allocator, u64 size) {}

allocator.h

@@ -0,0 +1,13 @@
+#ifndef ALLOCATOR_H
+#define ALLOCATOR_H
+
+#include "aliases.h"
+#include <stdbool.h>
+
+typedef struct allocator allocator_t;
+
+allocator_t *init_allocator(u64 size);
+void deinit_allocator(allocator_t **allocator);
+void *alloc(allocator_t *allocator, u64 size);
+
+#endif // !ALLOCATOR_H